Copying apparatus

Details Copying apparatus Copying apparatus

1976-02-25

1977-07-12

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Detailed holder for original

355 25, 355 82, G03B 2762

Patent

active

040350770

ABSTRACT:
A cover device for pressing originals having different thicknesses with equal force against a glass exposure plate of photocopying apparatus comprises a bordering frame swingable between closed and open positions and, inside the frame, a platelike covering member which rests upon supporting elements of the frame when the frame is in open position, presses down upon an original on the exposure plate yet is displaced according to the thickness of the original as the frame is moved to closed position, and is guided from displaced positions to rest again upon said supporting elements as the frame is moved from closed to open position.

REFERENCES:
patent: 2898833 (1959-08-01), Aydlett
patent: 3630620 (1971-12-01), Fackler
patent: 3642376 (1972-02-01), Halvorsen et al.
patent: 3953124 (1976-04-01), Kolibas
patent: 3989376 (1976-11-01), Ravera et al.
patent: 3997265 (1976-12-01), Menon et al.

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